Trigonometry Examples

$\arctan (\frac{2}{- 2})$

Step 1

Divide $2$ by $- 2$ .

$\arctan (- 1)$

Step 2

The exact value of $\arctan (- 1)$ is $- \frac{π}{4}$ .

$- \frac{π}{4}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$- \frac{π}{4}$

Decimal Form:

$- 0.78539816 \dots$